IA82510_11 Datasheet, PDF (13/25 Pages) InnovASIC, Inc – Asynchronous Serial Controller

IA82510
Asynchronous Serial Controller
Data Sheet
February 25, 2011
Table 4. AC Parameters
Parameter
CLK period
CLK period
CLK Low Time
CLK High Time
CLK Rise Time
Min
54 ns
54 ns
25 ns
25 ns
–
Max
250 ns
108 ns
–
–
10 ns
CLK Fall Time
–
10 ns
CLK Rise Time
CLK Fall Time
Crystal Frequency
Reset Width
RTS/DTR Low Setup to Reset
inactive
RTS/DTR Low Hold after
Reset inactive
RDn Active Width
Address/CSn Setup Time to
RDn Active
Address/CSn Hold after RDn
Inactive
RDn or WRn Inactive to Active
Delay
Data Out Float Delay after
RDn Inactive
WRn Active Width
Address CSn Setup Time to
WRn Active
Address and CSn hold Time
after WRn
Data in Setup Time to WRn
Inactive
Data In Hold Time after WRn
Inactive
SCLK Period
SCLK Period
RXD Setup Time to SCLK High
RXD Hold Time after SCLK
High
TXD Valid after SCLK Low
TXD Delay after RXD
–
–
1 Mhz
8 * Clock Period
6 * Clock Period
–
2* clock period
+65 ns
7 ns
0 ns
Clock Period
+15 ns
–
2 * Clock Period
+15 ns
7 ns
0 ns
90 ns
12 ns
216 ns
3500 ns
250 ns
250 ns
–
–
15 ns
15 ns
20 Mhz
–
–
Clock Period
–20 ns
–
–
–
–
40 ns
–
–
–
–
–
–
–
–
–
170 ns
170 ns
Notes
Divide by Two
No Divide by
–
–
Divide by Two
Measured between 0.3 * VDD
and 0.7 * VDD
Divide by Two
Measured between 0.3 * VDD
and 0.7 * VDD
No Divide by
No Divide by
–
–
–
–
–
–
–
–
–
–
–
–
–
–
16x Clocking Mode
1x Clocking Mode
–
–
–
Remote Loopback
®
IA211001219-05
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